月球東北部份的死湖
月球東北部份的死湖。Lake of Dead, UT 2022 03 09, 13h57m, Telescope TEC Maksutov-CassegrainMC200/20, D=20cm, Effective Focal Length= 4 meter, Losmandy G-11 EquatorialMount with motor drive. Camera QHY 5III 224 Color Cam, Capture withFireCapture, Shoot at Gamma=100, Gain=21, Expo= 4.9 ms/frame, 29 f/s, aviformat, stack and process 30% best frames in 902 frames by free SoftwareAutoStakkert 3, wavelet with RegiStax V.6, iL=2, L1=12, L2-7. Final touch byMicrosoft Photo software. Atmospheric condition: Transparent: 8/10, Seeing:7/10. Equipment borrowed from Mr. Ng. The photo was taken at Kennedy Town 堅尼地城, Hong Kong.
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